<template>
    <div>
    <!-- 面包屑导航区域 -->
 <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb>


<!-- 卡片视图 -->
<el-card class="box-card">

<!-- 搜索与添加区域 -->
<el-row :gutter="20">
    <el-col :span='8'>
    <el-input placeholder="请输入内容" 
    v-model='queryInfo.query' :clearable="true" @clear="getUserList()" >
    <el-button slot="append" icon="el-icon-search"
     @click="getUserList()"
     ></el-button>
  </el-input>
    </el-col>

    <el-col :span='4'>
        <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
    </el-col>

</el-row>

<!-- 用户列表区 -->
<el-table :data='userlist' :border="true" :stripe="true">
    <el-table-column type='index'></el-table-column>

  <el-table-column label="姓名" prop="username"></el-table-column>
 <el-table-column label="邮箱" prop="email"></el-table-column>

  <el-table-column label="电话" prop="mobile"></el-table-column>

  <el-table-column label="角色" prop="role_name"></el-table-column>
  
  <el-table-column label="状态" >
      <!-- <template></template>作用域插槽  指定了这个插槽 这一列就不用 prop -->
   <template slot-scope="scope">
<!-- scope.row 能获取这一行的信息-->
      
   <el-switch
  v-model="scope.row.mg_state"
  active-color="#13ce66"
  inactive-color="#ff4949"
  @change="userstatusChanged(scope.row)">
       </el-switch>

   </template>

  </el-table-column>
  
  <el-table-column label="操作" width="180px">
           <template slot-scope="scope">
               <!-- 修改 -->
               <el-button type="primary" icon="el-icon-edit" size="mini"
               @click="showEditDialog(scope.row.id)"></el-button>

               <!-- 删除 -->
               <el-button type="danger"
                icon="el-icon-delete" size="mini"
                @click="removeUserById(scope.row.id)"></el-button>

               <!-- 分配角色 -->
                <el-tooltip effect="dark" content="分配角色" placement="top" :enterable='false'>
                    <el-button type="warning"
                     @click="setRole(scope.row)"
                     icon="el-icon-setting" size="mini"></el-button>
              </el-tooltip>
           </template>

  </el-table-column>


     
</el-table>

<!-- 分页区 -->
<el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2,5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
 </el-pagination>


</el-card>

<!-- 添加用户的对话框 -->
<el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%"
  @close="addDialogClose"
>
<!-- 内容主体区 -->
  
   <el-form :model="addForm" :rules="addFormrules"
    ref="addFormRef" label-width="70px">
 <!-- 用户名 -->
  <el-form-item label="用户名" prop="username">

    <el-input v-model="addForm.username"></el-input>

  </el-form-item>
<!-- 密码 -->
   <el-form-item label="密码" prop="password">

    <el-input v-model="addForm.password" type="password" ></el-input>

  </el-form-item>
<!-- 邮箱 -->
   <el-form-item label="邮箱" prop="email">

    <el-input v-model="addForm.email" ></el-input>

  </el-form-item>

<!-- 电话 -->
   <el-form-item label="电话" prop="mobile">

    <el-input v-model="addForm.mobile"  ></el-input>

  </el-form-item>
   </el-form>

 
  <!-- 底部区 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>

<!-- 修改用户对话框 -->
<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%"
  @close="editDialogClose"
  >
 <el-form :model="editform" :rules="editformRules"
  ref="editformRef" label-width="70px" >
  <el-form-item label="用户名"  >
    <el-input v-model="editform.username" disabled ></el-input>
  </el-form-item>

  <el-form-item label="邮箱" prop="email" >
    <el-input v-model="editform.email"  ></el-input>
  </el-form-item>

  <el-form-item label="手机号" prop="mobile" >
    <el-input v-model="editform.mobile" ></el-input>
  </el-form-item>
 </el-form>
 
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserinfo">确 定</el-button>
  </span>
</el-dialog>

<!-- 分配角色对框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setDialogVisible"
  width="50%"
  @close="setRoleDialogClosed"
   >
  <div>
      <p>当前的用户: {{userInfo.username}}</p>
      <P>当前的角色: {{userInfo.role_name}}</P>
      <p>分配新角色 
  <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>

        </p> 

  </div>
  <span slot="footer" >
    <el-button @click="setDialogVisible= false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>


    </div>
</template>
<script>
export default{
    data(){
      // 验证邮箱
      var checkEmail =(rule,value,cb)=>{
        // 正则表达式
        const  regEmail= /^([a-zA-Z]|[0-9])(\w)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/

         if(regEmail.test(value)){
           return cb()
         }
         cb(new Error('请输入合法邮箱'))
      }
      // 验证手机号
       var checkMobile =(rule,value,cb)=>{
          const regMobile = /^1(3[0-9]|4[5,7]|5[0,1,2,3,5,6,7,8,9]|6[2,5,6,7]|7[0,1,7,8]|8[0-9]|9[1,8,9])\d{8}$/
      if(regMobile.test(value))
      {
         return cb()
      }
      cb(new Error('请输入合法手机号'))
      }

        return{
        //获取用户列表的参数对象
        queryInfo:{
            //查询的对象
            query:'',
            // 当前的页数
            pagenum:1,
            // 每页显示多少条数据
            pagesize:2

        },
        // 获取用户数据
        userlist:[],
        // 总的用户
        total:0,
        // 控制添加用户时对话框弹出
        addDialogVisible:false,
        //控制修改用户的对话框弹出
        editDialogVisible:false,
        // 添加数据的对象
        addForm:{
          username:'',
          password:'',
          email:'',
          mobile:'',
        },
        // 添加表单验证规则对象
        addFormrules:{

            username:[
               {required:true,message:'请输入用户名',trigger:'blur'},
              
              {min:3,
                 max:10,
                 message:'用户名的长度在3-10个之间',
                 trigger:'blur'}
            ],
            password:[
                  {required:true,message:'请输入密码',trigger:'blur'},
 
              {min:6,
                 max:10,
                 message:'密码的长度在6-10个之间',
                 trigger:'blur'}
            
            ],
            email:[
             {required:true,message:'请输入邮箱',trigger:'blur'},
            {validator:checkEmail,trigger:'blur'}
           ],

            mobile:[  
                 {required:true,message:'请输入电话',trigger:'blur'},
                {validator:checkMobile,trigger:'blur'}
                ]
               
            

        },
        // 用户的修改信息
        editform:{
          
        },
        // 修改信息的表单验证规则对象
        editformRules:{
              email:[
            {required:true,message:'请输入新的邮箱',trigger:'blur'},
            {validator:checkEmail,trigger:'blur'}
              ],
              mobile:[
                  {required:true,message:'请输入新的电话',trigger:'blur'},
                {validator:checkMobile,trigger:'blur'}
              ]
        },
        // 分配角色对话框
        setDialogVisible:false,
        // 需要被分配角色的用户信息
        userInfo:{},
        // 获取得到的全部数据列表
        rolesList:[],
         // 已经选中的角色Id
        selectedRoleId:'',
        }
    
    },

    created(){
         this.getUserList();
    },

    methods:{
      async getUserList()
        {

        const {data:res} = await this.$http.get('users',{
               params: this.queryInfo
            })


   
        if(res.meta.status!==200)
        {
            return this.$message.error('获取用户列表失败！');
        }
    
          this.userlist = res.data.users;

          this.total = res.data.total;
              // console.log( this.userlist);
        //   console.log(res);

        },
        // 监听pagesize改变的事件
         handleSizeChange(newSize){
            //  console.log(newSize);
             this.queryInfo.pagesize=newSize;
             this.getUserList();
         },
        //  监听页码值改变的事件
         handleCurrentChange(newPage){
            //  console.log(newPage);
            this.queryInfo.pagenum = newPage;
             this.getUserList();
         },
        //  监听Switch开关状态的改变
       async  userstatusChanged(userinfo){
            //    console.log(userinfo);
      const{data:res}   = await  this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        if(res.meta.status!==200)
        {
            userinfo.mg_state = !userinfo.mg_state;
            return this.$$message.error("更新用户失败!!")
        }
        this.$message.success("更新用户状态成功!")

      },
      // 监听添加用户对话框的关闭事件
      addDialogClose(){
        this.$refs.addFormRef.resetFields()
      },
      // 点击按钮添加用户
      addUser(){
        this.$refs.addFormRef.validate( async valid => {
          // console.log(valid);
          if(!valid)
          {
            return
          }
          // 否则发起用户的表单请求
         const {data:res} = await this.$http.post('users',
        this.addForm)
        if(res.meta,status!==201) {
          this.$message.error("添加用户失败")
        }
        this.$message.success("添加用户成功")
        this.addDialogVisible=false//这里隐藏对话框
        this.getUserList()//重新获取用户列表数据
        })
      },
      // 展示编辑与用户的对话框
     async showEditDialog(id){
        
        // console.log(id);
  const {data:res} =    await this.$http.get('users/'+id)
  if(res.meta.status!==200){
    return this.$message.error("查询用户失败")  
  }
   this.editform = res.data
   this.editDialogVisible=true
   
      },
      // 监听修改用户对话框的关闭事件
      editDialogClose(){
     this.$refs.editformRef.resetFields()
      },
      // 修改用户信息并提交
      editUserinfo(){
        this.$refs.editformRef.validate(async valid =>{
          if(!valid){
            return
          }
          // 通过了发起用户修改信息的请求
     const {data:res} = await  this.$http.put('users/'+this.editform.id,{
            email:this.editform.email,
            mobile:this.editform.mobile})

       if(res.meta.status!==200){
          return this.$message.error("更新用户失败")
        }
      //  关闭对话框
      this.editDialogVisible =false
      // 刷新数据
      this.getUserList()
      // 提示用户成功
      this.$message.success("更新用户成功了") 

        })
        
       
      },
      // 删除成员按钮
     async removeUserById(id){
        // 弹框询问是否删除
   const confirmRes =   await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err =>  err)
       
        // 如果用户确认删除，则返回值是字符串 confirm 取消就是catch里面的内容则返回值为字符串cancel
      if(confirmRes!=='confirm'){
        // 不等于就是取消了
        return this.$message.info("已经取消删除")
      }
      const {data:res} =await this.$http.delete('users/'+id)
      if(res.meta.status!==200)
      {
        return this.$message.error("删除用户失败！");
      }
      this.$message.success("删除用户成功！")
      this.getUserList()
      },
      // 展示分配角色的对话框
  async    setRole(user){
        this.userInfo = user
        // 在展开列表之前获取全部权限
      const {data:res} =await this.$http.get('roles')
      if(res.meta.status!==200)
      {
        return this.$message.error("获取角色列表失败")
      }
           this.rolesList = res.data
    // console.log( this.rolesList);
        this.setDialogVisible =true
      },
      // 点击按钮分配角色
    async  saveRoleInfo(){

  if(!this.selectedRoleId){
       return this.$message.error('请选择分配的角色')
  }
  const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
           
           rid:this.selectedRoleId}
        )
     console.log(res);
        if(res.meta.status!==200)
        {
          return this.$message.error("更新角色失败！")
        }
        this.$message.success("更新角色成功")
        this.getUserList()
        this.setDialogVisible =true
      },
      // 分配角色对话框关闭id角色  设为空
      setRoleDialogClosed(){
        this.selectedRoleId='',
        this.userInfo = {}
      }
      
    },

}
</script>

<style lang='less' scoped>
   
</style>